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- FIGURE 33.4-22. A computer-controlled multileaf collimator (MLC) for
- photon beam shaping on a Varian 2100C Linear Accelerator at Memorial
- Sloan-Kettering Cancer Center. This particular multileaf collimator
- features 26 pairs of leaves, each driven by a dedicated motor. The
- function of all the MLC motors is coordinated by a computer according
- to preplanned specifications. The leaves are positioned to shape one
- of the six fields designed for the treatment shown in Figure 33.4-21.
-